1-S9
L4400 , WSM
ENGINE
FUEL SYSTEM
W10139730
Item
Factory Specification
Allowable Limit
Injection Pump
Injection Timing
0.30 to 0.33 rad
(17 to 19°)
before T.D.C.
–
Pump Element
Fuel Tightness
–
14.7 MPa
150 kgf/cm
2
2133 psi
Delivery Valve
Fuel Tightness
10 seconds or more for
pressure falling
from 14.7 to 13.7 MPa
from 150 to 140 kgf/cm
2
from 2133 to 1990 psi
5 seconds for
pressure falling
from 14.7 to
13.7 MPa
from 150 to
140 kgf/cm
2
from 2133 to
1990 psi
Injection Nozzle
Injection Pressure
13.8 to 14.7 MPa
140 to 150 kgf/cm
2
1990 to 2130 psi
–
Injection Nozzle Valve Seat
Valve Seat
Tightness
When the pressure is
12.75 MPa
(130 kgf/cm
2
, 1849 psi),
the valve seat must be
fuel tightness.
–
KiSC issued 07, 2007 A
Tractor Manuals Scotland - Please Do Not Copy
Tractor Manuals Scotland